<template>
	<view class="my-settle-container">
		<!-- 全选区域 -->
		<label class="radio"  @click="changeAllstate">
		<radio color="#00aaff" :checked="isFullCheck" /><text>全选</text>
		</label>
		<!-- 合计区域 -->
		<view class="amount-box">
		合计:<text class="amount">￥{{checkedGoodsAmount}}</text>
		</view>
		<!-- 结算按钮 -->
		<view class="btn-settle">结算({{checkedCount}})</view>
	</view>
</template>

<script>
	import { mapGetters,mapMutations } from 'vuex'
	
	export default {
		computed: {
			...mapGetters('m_cart',['checkedCount','total','checkedGoodsAmount']),
			
			//是否全选
			isFullCheck() {
				return this.total === this.checkedCount
			},
		},
		data() {
			return {
				
			};
		},
		methods: {
			// 使用 mapMutations 辅助函数，把 m_cart 模块提供的updateAllGoodsState 方法映射到当前组件中使用
			...mapMutations('m_cart', ['updateAllGoodsState']),
			changeAllstate() {
				// 修改购物车中所有商品的选中状态
				// !this.isFullCheck 表示：当前全选按钮的状态取反之后，就是最新的勾选状态
				this.updateAllGoodsState(!this.isFullCheck)
			}
		}
	}
</script>

<style lang="scss">
  .my-settle-container {
		/* 底部固定定位 */
		position: fixed;
		bottom: 0;
		left: 0;
		/* 设置宽高和背景色 */
		width: 100%;
		height: 50px;
		background-color: white;
		font-size: 14px;
		padding-left: 5px;
	}
	.my-settle-container{
		display: flex;
		justify-content: space-between;
		align-items: center;
		.radio{
			display: flex;
		  align-items: center;
			
		}
		.amount-box{
			.amount{
				
			}
		}
		.btn-settle{
			background-color: #00aaff;
			height: 50px;
			color:white;
			line-height: 50px;
			min-width: 100px;
			text-align: center;
			padding: 0 10px
		}
	}
</style>